MLA

Pound, Ezra, 1885-1972. Typescript. Box 76, folder 3386. 1944. https://collections.library.yale.edu/catalog/17122691.

APA, 6th edition

Pound, Ezra, 1885-1972. (["Box 76, folder 3386"])(1944)[Typescript]. https://collections.library.yale.edu/catalog/17122691.